
# 测试用的条纹图样
gst-launch-1.0 videotestsrc is-live=true ! video/x-raw,format=NV12,width=320,height=170 ! kmssink


# 显示图片
gst-launch-1.0 multifilesrc location=a.jpg loop=true caps="image/jpeg,framerate=1/1" ! jpegdec ! videoconvert ! videoscale ! video/x-raw,format=NV12,width=320,height=170 ! kmssink




